Guide-in-guide catheter system
CA 2465907 A1 · Owner: Boston Scientific Limited · Inventors: Zhou, Pu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multiple catheter system is described. In one embodiment a medical catheter system includes a first catheter having an entrance orifice an exit orifice, a channel connecting the entrance orifice and the exit orifice and a wall , surrounding the channel. In this embodiment the hardness of the wall surrounding the channel decreases in hardness then increasing in hardness and then decreasing in hardness again when considered from an initial reference point at the entrance orifice and traveling towards the exit orifice. Another medical catheter system includes a first catheter having an entrance orifice an exit orifice, a channel linking the entrance orifice and the exit orifice and a …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed October 10, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 10, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 10, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.